Knicks use rare offensive feat to beat Pacers for fifth straight win

INDIANAPOLIS — The Knicks began playing out the final three-game string of the regular season Wednesday night, taking advantage of the luxury of resting top players while they await their first round playoff series against the Cavaliers. Playing without their three leading scorers, the fifth-place Knicks did something they hadn’t accomplished offensively in more than 44 years and posted their fifth straight victory, 138-129, over the out-of-it Pacers at Gainbridge Fieldhouse. Immanuel Quickley, Quentin Grimes and Obi Toppin gave the Knicks three 30-point scorers in one game for the first time since March 24, 1979 (Ray Williams, Earl Monroe and…